[INFO] fetching crate rgo 0.1.0...
[INFO] testing rgo-0.1.0 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0
[INFO] extracting crate rgo 0.1.0 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate rgo 0.1.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate rgo 0.1.0
[INFO] tweaked toml for crates.io crate rgo 0.1.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate rgo 0.1.0 on toolchain 8de4c7234dd9b97c9d76b58671343fdbbc9a433e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 44 packages to latest compatible versions
[INFO] [stderr]       Adding clippy v0.0.63 (available: v0.0.302)
[INFO] [stderr]       Adding env_logger v0.3.5 (available: v0.11.8)
[INFO] [stderr]       Adding lazy_static v0.2.11 (available: v1.5.0)
[INFO] [stderr]       Adding log v0.3.9 (available: v0.4.27)
[INFO] [stderr]       Adding num v0.1.43 (available: v0.4.3)
[INFO] [stderr]       Adding quick-error v1.2.3 (available: v2.0.1)
[INFO] [stderr]       Adding time v0.1.45 (available: v0.3.41)
[INFO] [stderr]       Adding wasi v0.10.0+wasi-snapshot-preview1 (available: v0.10.2+wasi-snapshot-preview1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded semver v0.2.3
[INFO] [stderr]   Downloaded toml v0.1.30
[INFO] [stderr]   Downloaded clippy v0.0.63
[INFO] [stderr]   Downloaded convenience v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1155304a81c6c9602338dfb8e6699a99b1b6bb45282e849e324b02e279008f34
[INFO] running `Command { std: "docker" "start" "-a" "1155304a81c6c9602338dfb8e6699a99b1b6bb45282e849e324b02e279008f34", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1155304a81c6c9602338dfb8e6699a99b1b6bb45282e849e324b02e279008f34", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1155304a81c6c9602338dfb8e6699a99b1b6bb45282e849e324b02e279008f34", kill_on_drop: false }`
[INFO] [stdout] 1155304a81c6c9602338dfb8e6699a99b1b6bb45282e849e324b02e279008f34
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] d160fb3da6a744cec8a6e18c1246c5a5a329d39afc00200da05e099bb12e70c1
[INFO] running `Command { std: "docker" "start" "-a" "d160fb3da6a744cec8a6e18c1246c5a5a329d39afc00200da05e099bb12e70c1", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling autocfg v1.5.0
[INFO] [stderr]    Compiling libc v0.2.174
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]    Compiling winapi v0.2.8
[INFO] [stderr]    Compiling rustc-serialize v0.3.25
[INFO] [stderr]    Compiling regex-syntax v0.3.9
[INFO] [stderr]    Compiling utf8-ranges v0.1.3
[INFO] [stderr]    Compiling log v0.4.27
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling lazy_static v0.2.11
[INFO] [stderr]    Compiling convenience v0.1.0
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling num-bigint v0.1.45
[INFO] [stderr]    Compiling num-complex v0.1.44
[INFO] [stderr]    Compiling num-rational v0.1.43
[INFO] [stderr]    Compiling memchr v0.1.11
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling thread-id v2.0.0
[INFO] [stderr]    Compiling time v0.1.45
[INFO] [stderr]    Compiling thread_local v0.2.7
[INFO] [stderr]    Compiling aho-corasick v0.5.3
[INFO] [stderr]    Compiling regex v0.1.80
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling num-iter v0.1.45
[INFO] [stderr]    Compiling env_logger v0.3.5
[INFO] [stderr]    Compiling num v0.1.43
[INFO] [stderr]    Compiling rgo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]   --> src/lib.rs:16:1
[INFO] [stdout]    |
[INFO] [stdout] 16 | #[macro_use]
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]   --> src/lib.rs:18:1
[INFO] [stdout]    |
[INFO] [stdout] 18 | #[macro_use]
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused label
[INFO] [stdout]    --> src/lexer/mod.rs:112:9
[INFO] [stdout]     |
[INFO] [stdout] 112 |         'outer: while let Some(c) = self.current_char {
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_labels)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parser/error.rs:43:17
[INFO] [stdout]    |
[INFO] [stdout] 43 |                 try!(write!(f, "expected "));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parser/error.rs:46:21
[INFO] [stdout]    |
[INFO] [stdout] 46 |                     try!(write!(f, "one of "));
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parser/error.rs:50:25
[INFO] [stdout]    |
[INFO] [stdout] 50 |                         try!(write!(f, "\"{}\"{}", tk, sep));
[INFO] [stdout]    |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parser/error.rs:54:21
[INFO] [stdout]    |
[INFO] [stdout] 54 |                     try!(write!(f, "\"{}\" ", expected[0]));
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parser/mod.rs:38:28
[INFO] [stdout]    |
[INFO] [stdout] 38 |         let package_name = try!(self.parse_package_clause());
[INFO] [stdout]    |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parser/mod.rs:39:28
[INFO] [stdout]    |
[INFO] [stdout] 39 |         let import_decls = try!(self.parse_import_decls());
[INFO] [stdout]    |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parser/mod.rs:40:31
[INFO] [stdout]    |
[INFO] [stdout] 40 |         let top_level_decls = try!(self.parse_top_level_decls());
[INFO] [stdout]    |                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/parser/mod.rs:101:63
[INFO] [stdout]     |
[INFO] [stdout] 101 |     fn eat_and_get(&mut self, expected: TokenKind) -> PResult<(Token)> {
[INFO] [stdout]     |                                                               ^     ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 101 -     fn eat_and_get(&mut self, expected: TokenKind) -> PResult<(Token)> {
[INFO] [stdout] 101 +     fn eat_and_get(&mut self, expected: TokenKind) -> PResult<Token> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:112:9
[INFO] [stdout]     |
[INFO] [stdout] 112 |         try!(self.eat(TokenKind::Package));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:115:9
[INFO] [stdout]     |
[INFO] [stdout] 115 |         try!(self.eat(TokenKind::Semicolon));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:114:28
[INFO] [stdout]     |
[INFO] [stdout] 114 |         let package_name = try!(self.parse_ident());
[INFO] [stdout]     |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:127:32
[INFO] [stdout]     |
[INFO] [stdout] 127 |                     decls.push(try!(self.parse_import_decl()));
[INFO] [stdout]     |                                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:144:9
[INFO] [stdout]     |
[INFO] [stdout] 144 |         try!(self.eat(TokenKind::Import));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:169:9
[INFO] [stdout]     |
[INFO] [stdout] 169 |         try!(self.eat(TokenKind::Semicolon));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:161:40
[INFO] [stdout]     |
[INFO] [stdout] 161 | ...                   specs.push(try!(self.parse_import_spec()));
[INFO] [stdout]     |                                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:167:29
[INFO] [stdout]     |
[INFO] [stdout] 167 |             _ => specs.push(try!(self.parse_import_spec())),
[INFO] [stdout]     |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:195:20
[INFO] [stdout]     |
[INFO] [stdout] 195 |         let path = try!(self.parse_string_lit());
[INFO] [stdout]     |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:216:26
[INFO] [stdout]     |
[INFO] [stdout] 216 |                 let fd = try!(self.parse_func_decl());
[INFO] [stdout]     |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:237:9
[INFO] [stdout]     |
[INFO] [stdout] 237 |         try!(self.eat(TokenKind::Func));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:247:9
[INFO] [stdout]     |
[INFO] [stdout] 247 |         try!(self.eat(TokenKind::Semicolon));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:238:20
[INFO] [stdout]     |
[INFO] [stdout] 238 |         let name = try!(self.parse_ident());
[INFO] [stdout]     |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:239:25
[INFO] [stdout]     |
[INFO] [stdout] 239 |         let signature = try!(self.parse_func_signature());
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:243:34
[INFO] [stdout]     |
[INFO] [stdout] 243 |             TokenKind::LBrace => try!(self.parse_block()),
[INFO] [stdout]     |                                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:273:26
[INFO] [stdout]     |
[INFO] [stdout] 273 |         let parameters = try!(self.parse_func_params());
[INFO] [stdout]     |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:277:34
[INFO] [stdout]     |
[INFO] [stdout] 277 |             TokenKind::LParen => try!(self.parse_func_params()),
[INFO] [stdout]     |                                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:282:52
[INFO] [stdout]     |
[INFO] [stdout] 282 |             _ => ast::Parameters::from_single_type(try!(self.parse_type())),
[INFO] [stdout]     |                                                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:303:9
[INFO] [stdout]     |
[INFO] [stdout] 303 |         try!(self.eat(TokenKind::LParen));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:319:9
[INFO] [stdout]     |
[INFO] [stdout] 319 |         try!(self.eat(TokenKind::RParen));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:310:28
[INFO] [stdout]     |
[INFO] [stdout] 310 |                 decls.push(try!(self.parse_parameter_decl()));
[INFO] [stdout]     |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:313:21
[INFO] [stdout]     |
[INFO] [stdout] 313 |                     try!(self.eat(TokenKind::Comma));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:314:32
[INFO] [stdout]     |
[INFO] [stdout] 314 |                     decls.push(try!(self.parse_parameter_decl()));
[INFO] [stdout]     |                                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:338:25
[INFO] [stdout]     |
[INFO] [stdout] 338 |             idents.push(try!(self.parse_ident()));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:341:17
[INFO] [stdout]     |
[INFO] [stdout] 341 |                 try!(self.eat(TokenKind::Comma));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:342:29
[INFO] [stdout]     |
[INFO] [stdout] 342 |                 idents.push(try!(self.parse_ident()));
[INFO] [stdout]     |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:348:13
[INFO] [stdout]     |
[INFO] [stdout] 348 |             try!(self.eat(TokenKind::Ellipsis));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:353:19
[INFO] [stdout]     |
[INFO] [stdout] 353 |         let typ = try!(self.parse_type());
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:380:17
[INFO] [stdout]     |
[INFO] [stdout] 380 |                 try!(self.eat(TokenKind::LParen));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:382:17
[INFO] [stdout]     |
[INFO] [stdout] 382 |                 try!(self.eat(TokenKind::RParen));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:381:27
[INFO] [stdout]     |
[INFO] [stdout] 381 |                 let typ = try!(self.parse_type());
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:387:29
[INFO] [stdout]     |
[INFO] [stdout] 387 |                 let part1 = try!(self.parse_ident());
[INFO] [stdout]     |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:399:25
[INFO] [stdout]     |
[INFO] [stdout] 399 |                         try!(self.eat(TokenKind::Colon));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:400:37
[INFO] [stdout]     |
[INFO] [stdout] 400 |                         let part2 = try!(self.parse_ident());
[INFO] [stdout]     |                                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:426:9
[INFO] [stdout]     |
[INFO] [stdout] 426 |         try!(self.eat(TokenKind::LBrace));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:434:9
[INFO] [stdout]     |
[INFO] [stdout] 434 |         try!(self.eat(TokenKind::RBrace));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:431:13
[INFO] [stdout]     |
[INFO] [stdout] 431 |             try!(self.eat(TokenKind::Semicolon));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:430:29
[INFO] [stdout]     |
[INFO] [stdout] 430 |             statements.push(try!(self.parse_statement()));
[INFO] [stdout]     |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:452:35
[INFO] [stdout]     |
[INFO] [stdout] 452 |             Type | Var | Const => try!(self.parse_decl_stmt()).into(),
[INFO] [stdout]     |                                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:453:19
[INFO] [stdout]     |
[INFO] [stdout] 453 |             Go => try!(self.parse_go_stmt()).into(),
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:454:22
[INFO] [stdout]     |
[INFO] [stdout] 454 |             Defer => try!(self.parse_defer_stmt()).into(),
[INFO] [stdout]     |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:455:23
[INFO] [stdout]     |
[INFO] [stdout] 455 |             Return => try!(self.parse_return_stmt()).into(),
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:456:19
[INFO] [stdout]     |
[INFO] [stdout] 456 |             If => try!(self.parse_if_stmt()).into(),
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:457:23
[INFO] [stdout]     |
[INFO] [stdout] 457 |             Switch => try!(self.parse_switch_stmt()).into(),
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:458:23
[INFO] [stdout]     |
[INFO] [stdout] 458 |             Select => try!(self.parse_select_stmt()).into(),
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:459:20
[INFO] [stdout]     |
[INFO] [stdout] 459 |             For => try!(self.parse_for_stmt()).into(),
[INFO] [stdout]     |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:460:34
[INFO] [stdout]     |
[INFO] [stdout] 460 |             LBrace => ast::Block(try!(self.parse_block())).into(),
[INFO] [stdout]     |                                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:466:40
[INFO] [stdout]     |
[INFO] [stdout] 466 |             t if t.can_start_expr() => try!(self.parse_simple_stmt()).into(),
[INFO] [stdout]     |                                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:474:9
[INFO] [stdout]     |
[INFO] [stdout] 474 |         try!(self.eat(TokenKind::Go));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:475:32
[INFO] [stdout]     |
[INFO] [stdout] 475 |         Ok(ast::GoStmt { call: try!(self.parse_expr()) })
[INFO] [stdout]     |                                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:481:9
[INFO] [stdout]     |
[INFO] [stdout] 481 |         try!(self.eat(TokenKind::Defer));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:482:35
[INFO] [stdout]     |
[INFO] [stdout] 482 |         Ok(ast::DeferStmt { call: try!(self.parse_expr()) })
[INFO] [stdout]     |                                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:487:9
[INFO] [stdout]     |
[INFO] [stdout] 487 |         try!(self.eat(TokenKind::Return));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:488:36
[INFO] [stdout]     |
[INFO] [stdout] 488 |         Ok(ast::ReturnStmt { expr: try!(self.parse_expr()) })
[INFO] [stdout]     |                                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:541:27
[INFO] [stdout]     |
[INFO] [stdout] 541 |                 operator: try!(self.parse_unary_operator()),
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:542:35
[INFO] [stdout]     |
[INFO] [stdout] 542 |                 operand: Box::new(try!(self.parse_unary_expr())),
[INFO] [stdout]     |                                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:562:60
[INFO] [stdout]     |
[INFO] [stdout] 562 |             Decimal | Octal | Hex => Ok(ast::BasicLit::Int(try!(self.parse_int_lit()))),
[INFO] [stdout]     |                                                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:563:51
[INFO] [stdout]     |
[INFO] [stdout] 563 |             Str | StrRaw => Ok(ast::BasicLit::Str(try!(self.parse_string_lit()))),
[INFO] [stdout]     |                                                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:566:41
[INFO] [stdout]     |
[INFO] [stdout] 566 |                 Ok(ast::BasicLit::Float(try!(self.interpret_float_lit(&value[..],
[INFO] [stdout]     |                                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:576:45
[INFO] [stdout]     |
[INFO] [stdout] 576 |                 Ok(ast::BasicLit::Imaginary(try!(self.interpret_float_lit(value_ref,
[INFO] [stdout]     |                                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:579:44
[INFO] [stdout]     |
[INFO] [stdout] 579 |             Rune => Ok(ast::BasicLit::Rune(try!(self.parse_rune_lit()))),
[INFO] [stdout]     |                                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:591:21
[INFO] [stdout]     |
[INFO] [stdout] 591 |         let value = try!(self.eat_and_get(TokenKind::Rune))
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:612:26
[INFO] [stdout]     |
[INFO] [stdout] 612 |                 result = try!(self.interpret_hex_escape(&mut char_indices)) as char;
[INFO] [stdout]     |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:615:26
[INFO] [stdout]     |
[INFO] [stdout] 615 |                 result = try!(self.interpret_unicode_escape(pc == 'U', &mut char_indices));
[INFO] [stdout]     |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:617:26
[INFO] [stdout]     |
[INFO] [stdout] 617 |                 result = try!(self.interpret_octal_escape(&mut char_indices)) as char;
[INFO] [stdout]     |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:717:20
[INFO] [stdout]     |
[INFO] [stdout] 717 |                 Ok(try!(self.interpret_int(&value[..], 10, "decimal literal")))
[INFO] [stdout]     |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:722:20
[INFO] [stdout]     |
[INFO] [stdout] 722 |                 Ok(try!(self.interpret_int(&value[1..], 8, "octal literal")))
[INFO] [stdout]     |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:727:20
[INFO] [stdout]     |
[INFO] [stdout] 727 |                 Ok(try!(self.interpret_int(&value[2..], 16, "hex literal")))
[INFO] [stdout]     |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:765:23
[INFO] [stdout]     |
[INFO] [stdout] 765 |             operator: try!(self.parse_unary_operator()),
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:766:31
[INFO] [stdout]     |
[INFO] [stdout] 766 |             operand: Box::new(try!(self.parse_unary_expr())),
[INFO] [stdout]     |                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:776:38
[INFO] [stdout]     |
[INFO] [stdout] 776 |         let mut x = ast::Expr::Unary(try!(self.parse_unary_expr()));
[INFO] [stdout]     |                                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:787:21
[INFO] [stdout]     |
[INFO] [stdout] 787 |             let y = try!(self.parse_potential_binary_expr(precedence + 1));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:831:20
[INFO] [stdout]     |
[INFO] [stdout] 831 |                 Ok(try!(self.interpret_string_lit(raw_val)))
[INFO] [stdout]     |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:973:32
[INFO] [stdout]     |
[INFO] [stdout] 973 |                     let byte = try!(self.interpret_hex_escape(&mut char_indices));
[INFO] [stdout]     |                                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:977:38
[INFO] [stdout]     |
[INFO] [stdout] 977 |                     let value_char = try!(self.interpret_unicode_escape(pc == 'U',
[INFO] [stdout]     |                                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:984:32
[INFO] [stdout]     |
[INFO] [stdout] 984 |                     let byte = try!(self.interpret_octal_escape(&mut char_indices));
[INFO] [stdout]     |                                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/parser/mod.rs:849:45
[INFO] [stdout]     |
[INFO] [stdout] 849 | ...                   chars: &mut Iterator<Item = (usize, char)>)
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 849 |                                 chars: &mut dyn Iterator<Item = (usize, char)>)
[INFO] [stdout]     |                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/parser/mod.rs:882:50
[INFO] [stdout]     |
[INFO] [stdout] 882 |     fn interpret_octal_escape(&self, chars: &mut Iterator<Item = (usize, char)>) -> PResult<u8> {
[INFO] [stdout]     |                                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 882 |     fn interpret_octal_escape(&self, chars: &mut dyn Iterator<Item = (usize, char)>) -> PResult<u8> {
[INFO] [stdout]     |                                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/parser/mod.rs:908:48
[INFO] [stdout]     |
[INFO] [stdout] 908 |     fn interpret_hex_escape(&self, chars: &mut Iterator<Item = (usize, char)>) -> PResult<u8> {
[INFO] [stdout]     |                                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 908 |     fn interpret_hex_escape(&self, chars: &mut dyn Iterator<Item = (usize, char)>) -> PResult<u8> {
[INFO] [stdout]     |                                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `core::str::<impl str>::trim_right_matches`: superseded by `trim_end_matches`
[INFO] [stdout]    --> src/parser/mod.rs:575:39
[INFO] [stdout]     |
[INFO] [stdout] 575 |                 let value_ref = value.trim_right_matches('i');
[INFO] [stdout]     |                                       ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: replace the use of the deprecated method
[INFO] [stdout]     |
[INFO] [stdout] 575 -                 let value_ref = value.trim_right_matches('i');
[INFO] [stdout] 575 +                 let value_ref = value.trim_end_matches('i');
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple methods are never used
[INFO] [stdout]    --> src/parser/mod.rs:88:8
[INFO] [stdout]     |
[INFO] [stdout] 24  | impl<R: Iterator<Item = TokenAndSpan>> Parser<R> {
[INFO] [stdout]     | ------------------------------------------------ methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 88  |     fn next_kind(&mut self) -> TokenKind {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 101 |     fn eat_and_get(&mut self, expected: TokenKind) -> PResult<(Token)> {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 555 |     fn parse_basic_lit(&mut self) -> PResult<ast::BasicLit> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 587 |     fn parse_rune_lit(&mut self) -> PResult<char> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 637 |     fn interpret_float_lit(&mut self, value: &str, token_name: &str) -> PResult<BigRational> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 706 |     fn parse_int_lit(&mut self) -> PResult<BigInt> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 743 |     fn interpret_int(&mut self, lit: &str, base: u32, token_name: &str) -> PResult<BigInt> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 761 |     fn parse_unary_operation(&mut self) -> PResult<ast::UnaryOperation> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/lexer/mod.rs:39:19
[INFO] [stdout]    |
[INFO] [stdout] 39 |     pub fn new(s: &str) -> Lexer {
[INFO] [stdout]    |                   ^^^^     ----- the lifetime gets resolved as `'_`
[INFO] [stdout]    |                   |
[INFO] [stdout]    |                   this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 39 |     pub fn new(s: &str) -> Lexer<'_> {
[INFO] [stdout]    |                                 ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.51s
[INFO] running `Command { std: "docker" "inspect" "d160fb3da6a744cec8a6e18c1246c5a5a329d39afc00200da05e099bb12e70c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d160fb3da6a744cec8a6e18c1246c5a5a329d39afc00200da05e099bb12e70c1", kill_on_drop: false }`
[INFO] [stdout] d160fb3da6a744cec8a6e18c1246c5a5a329d39afc00200da05e099bb12e70c1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--no-run" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] a578e4fc3625827863e62350bbc741aacb8f9d5a36e5a78f9e9c3b7ac654a548
[INFO] running `Command { std: "docker" "start" "-a" "a578e4fc3625827863e62350bbc741aacb8f9d5a36e5a78f9e9c3b7ac654a548", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]   --> src/lib.rs:16:1
[INFO] [stdout]    |
[INFO] [stdout] 16 | #[macro_use]
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]   --> src/lib.rs:18:1
[INFO] [stdout]    |
[INFO] [stdout] 18 | #[macro_use]
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused label
[INFO] [stdout]    --> src/lexer/mod.rs:112:9
[INFO] [stdout]     |
[INFO] [stdout] 112 |         'outer: while let Some(c) = self.current_char {
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_labels)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parser/error.rs:43:17
[INFO] [stdout]    |
[INFO] [stdout] 43 |                 try!(write!(f, "expected "));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parser/error.rs:46:21
[INFO] [stdout]    |
[INFO] [stdout] 46 |                     try!(write!(f, "one of "));
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parser/error.rs:50:25
[INFO] [stdout]    |
[INFO] [stdout] 50 |                         try!(write!(f, "\"{}\"{}", tk, sep));
[INFO] [stdout]    |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parser/error.rs:54:21
[INFO] [stdout]    |
[INFO] [stdout] 54 |                     try!(write!(f, "\"{}\" ", expected[0]));
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parser/mod.rs:38:28
[INFO] [stdout]    |
[INFO] [stdout] 38 |         let package_name = try!(self.parse_package_clause());
[INFO] [stdout]    |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parser/mod.rs:39:28
[INFO] [stdout]    |
[INFO] [stdout] 39 |         let import_decls = try!(self.parse_import_decls());
[INFO] [stdout]    |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parser/mod.rs:40:31
[INFO] [stdout]    |
[INFO] [stdout] 40 |         let top_level_decls = try!(self.parse_top_level_decls());
[INFO] [stdout]    |                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/parser/mod.rs:101:63
[INFO] [stdout]     |
[INFO] [stdout] 101 |     fn eat_and_get(&mut self, expected: TokenKind) -> PResult<(Token)> {
[INFO] [stdout]     |                                                               ^     ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 101 -     fn eat_and_get(&mut self, expected: TokenKind) -> PResult<(Token)> {
[INFO] [stdout] 101 +     fn eat_and_get(&mut self, expected: TokenKind) -> PResult<Token> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:112:9
[INFO] [stdout]     |
[INFO] [stdout] 112 |         try!(self.eat(TokenKind::Package));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:115:9
[INFO] [stdout]     |
[INFO] [stdout] 115 |         try!(self.eat(TokenKind::Semicolon));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:114:28
[INFO] [stdout]     |
[INFO] [stdout] 114 |         let package_name = try!(self.parse_ident());
[INFO] [stdout]     |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:127:32
[INFO] [stdout]     |
[INFO] [stdout] 127 |                     decls.push(try!(self.parse_import_decl()));
[INFO] [stdout]     |                                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:144:9
[INFO] [stdout]     |
[INFO] [stdout] 144 |         try!(self.eat(TokenKind::Import));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:169:9
[INFO] [stdout]     |
[INFO] [stdout] 169 |         try!(self.eat(TokenKind::Semicolon));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:161:40
[INFO] [stdout]     |
[INFO] [stdout] 161 | ...                   specs.push(try!(self.parse_import_spec()));
[INFO] [stdout]     |                                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:167:29
[INFO] [stdout]     |
[INFO] [stdout] 167 |             _ => specs.push(try!(self.parse_import_spec())),
[INFO] [stdout]     |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:195:20
[INFO] [stdout]     |
[INFO] [stdout] 195 |         let path = try!(self.parse_string_lit());
[INFO] [stdout]     |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:216:26
[INFO] [stdout]     |
[INFO] [stdout] 216 |                 let fd = try!(self.parse_func_decl());
[INFO] [stdout]     |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:237:9
[INFO] [stdout]     |
[INFO] [stdout] 237 |         try!(self.eat(TokenKind::Func));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:247:9
[INFO] [stdout]     |
[INFO] [stdout] 247 |         try!(self.eat(TokenKind::Semicolon));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:238:20
[INFO] [stdout]     |
[INFO] [stdout] 238 |         let name = try!(self.parse_ident());
[INFO] [stdout]     |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:239:25
[INFO] [stdout]     |
[INFO] [stdout] 239 |         let signature = try!(self.parse_func_signature());
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:243:34
[INFO] [stdout]     |
[INFO] [stdout] 243 |             TokenKind::LBrace => try!(self.parse_block()),
[INFO] [stdout]     |                                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:273:26
[INFO] [stdout]     |
[INFO] [stdout] 273 |         let parameters = try!(self.parse_func_params());
[INFO] [stdout]     |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:277:34
[INFO] [stdout]     |
[INFO] [stdout] 277 |             TokenKind::LParen => try!(self.parse_func_params()),
[INFO] [stdout]     |                                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:282:52
[INFO] [stdout]     |
[INFO] [stdout] 282 |             _ => ast::Parameters::from_single_type(try!(self.parse_type())),
[INFO] [stdout]     |                                                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:303:9
[INFO] [stdout]     |
[INFO] [stdout] 303 |         try!(self.eat(TokenKind::LParen));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:319:9
[INFO] [stdout]     |
[INFO] [stdout] 319 |         try!(self.eat(TokenKind::RParen));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:310:28
[INFO] [stdout]     |
[INFO] [stdout] 310 |                 decls.push(try!(self.parse_parameter_decl()));
[INFO] [stdout]     |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:313:21
[INFO] [stdout]     |
[INFO] [stdout] 313 |                     try!(self.eat(TokenKind::Comma));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:314:32
[INFO] [stdout]     |
[INFO] [stdout] 314 |                     decls.push(try!(self.parse_parameter_decl()));
[INFO] [stdout]     |                                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:338:25
[INFO] [stdout]     |
[INFO] [stdout] 338 |             idents.push(try!(self.parse_ident()));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:341:17
[INFO] [stdout]     |
[INFO] [stdout] 341 |                 try!(self.eat(TokenKind::Comma));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:342:29
[INFO] [stdout]     |
[INFO] [stdout] 342 |                 idents.push(try!(self.parse_ident()));
[INFO] [stdout]     |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:348:13
[INFO] [stdout]     |
[INFO] [stdout] 348 |             try!(self.eat(TokenKind::Ellipsis));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:353:19
[INFO] [stdout]     |
[INFO] [stdout] 353 |         let typ = try!(self.parse_type());
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:380:17
[INFO] [stdout]     |
[INFO] [stdout] 380 |                 try!(self.eat(TokenKind::LParen));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:382:17
[INFO] [stdout]     |
[INFO] [stdout] 382 |                 try!(self.eat(TokenKind::RParen));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:381:27
[INFO] [stdout]     |
[INFO] [stdout] 381 |                 let typ = try!(self.parse_type());
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:387:29
[INFO] [stdout]     |
[INFO] [stdout] 387 |                 let part1 = try!(self.parse_ident());
[INFO] [stdout]     |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:399:25
[INFO] [stdout]     |
[INFO] [stdout] 399 |                         try!(self.eat(TokenKind::Colon));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:400:37
[INFO] [stdout]     |
[INFO] [stdout] 400 |                         let part2 = try!(self.parse_ident());
[INFO] [stdout]     |                                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:426:9
[INFO] [stdout]     |
[INFO] [stdout] 426 |         try!(self.eat(TokenKind::LBrace));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:434:9
[INFO] [stdout]     |
[INFO] [stdout] 434 |         try!(self.eat(TokenKind::RBrace));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:431:13
[INFO] [stdout]     |
[INFO] [stdout] 431 |             try!(self.eat(TokenKind::Semicolon));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:430:29
[INFO] [stdout]     |
[INFO] [stdout] 430 |             statements.push(try!(self.parse_statement()));
[INFO] [stdout]     |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:452:35
[INFO] [stdout]     |
[INFO] [stdout] 452 |             Type | Var | Const => try!(self.parse_decl_stmt()).into(),
[INFO] [stdout]     |                                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:453:19
[INFO] [stdout]     |
[INFO] [stdout] 453 |             Go => try!(self.parse_go_stmt()).into(),
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:454:22
[INFO] [stdout]     |
[INFO] [stdout] 454 |             Defer => try!(self.parse_defer_stmt()).into(),
[INFO] [stdout]     |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:455:23
[INFO] [stdout]     |
[INFO] [stdout] 455 |             Return => try!(self.parse_return_stmt()).into(),
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:456:19
[INFO] [stdout]     |
[INFO] [stdout] 456 |             If => try!(self.parse_if_stmt()).into(),
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:457:23
[INFO] [stdout]     |
[INFO] [stdout] 457 |             Switch => try!(self.parse_switch_stmt()).into(),
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:458:23
[INFO] [stdout]     |
[INFO] [stdout] 458 |             Select => try!(self.parse_select_stmt()).into(),
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:459:20
[INFO] [stdout]     |
[INFO] [stdout] 459 |             For => try!(self.parse_for_stmt()).into(),
[INFO] [stdout]     |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:460:34
[INFO] [stdout]     |
[INFO] [stdout] 460 |             LBrace => ast::Block(try!(self.parse_block())).into(),
[INFO] [stdout]     |                                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:466:40
[INFO] [stdout]     |
[INFO] [stdout] 466 |             t if t.can_start_expr() => try!(self.parse_simple_stmt()).into(),
[INFO] [stdout]     |                                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:474:9
[INFO] [stdout]     |
[INFO] [stdout] 474 |         try!(self.eat(TokenKind::Go));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:475:32
[INFO] [stdout]     |
[INFO] [stdout] 475 |         Ok(ast::GoStmt { call: try!(self.parse_expr()) })
[INFO] [stdout]     |                                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:481:9
[INFO] [stdout]     |
[INFO] [stdout] 481 |         try!(self.eat(TokenKind::Defer));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:482:35
[INFO] [stdout]     |
[INFO] [stdout] 482 |         Ok(ast::DeferStmt { call: try!(self.parse_expr()) })
[INFO] [stdout]     |                                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:487:9
[INFO] [stdout]     |
[INFO] [stdout] 487 |         try!(self.eat(TokenKind::Return));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:488:36
[INFO] [stdout]     |
[INFO] [stdout] 488 |         Ok(ast::ReturnStmt { expr: try!(self.parse_expr()) })
[INFO] [stdout]     |                                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:541:27
[INFO] [stdout]     |
[INFO] [stdout] 541 |                 operator: try!(self.parse_unary_operator()),
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:542:35
[INFO] [stdout]     |
[INFO] [stdout] 542 |                 operand: Box::new(try!(self.parse_unary_expr())),
[INFO] [stdout]     |                                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:562:60
[INFO] [stdout]     |
[INFO] [stdout] 562 |             Decimal | Octal | Hex => Ok(ast::BasicLit::Int(try!(self.parse_int_lit()))),
[INFO] [stdout]     |                                                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:563:51
[INFO] [stdout]     |
[INFO] [stdout] 563 |             Str | StrRaw => Ok(ast::BasicLit::Str(try!(self.parse_string_lit()))),
[INFO] [stdout]     |                                                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:566:41
[INFO] [stdout]     |
[INFO] [stdout] 566 |                 Ok(ast::BasicLit::Float(try!(self.interpret_float_lit(&value[..],
[INFO] [stdout]     |                                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:576:45
[INFO] [stdout]     |
[INFO] [stdout] 576 |                 Ok(ast::BasicLit::Imaginary(try!(self.interpret_float_lit(value_ref,
[INFO] [stdout]     |                                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:579:44
[INFO] [stdout]     |
[INFO] [stdout] 579 |             Rune => Ok(ast::BasicLit::Rune(try!(self.parse_rune_lit()))),
[INFO] [stdout]     |                                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rgo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:591:21
[INFO] [stdout]     |
[INFO] [stdout] 591 |         let value = try!(self.eat_and_get(TokenKind::Rune))
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:612:26
[INFO] [stdout]     |
[INFO] [stdout] 612 |                 result = try!(self.interpret_hex_escape(&mut char_indices)) as char;
[INFO] [stdout]     |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:615:26
[INFO] [stdout]     |
[INFO] [stdout] 615 |                 result = try!(self.interpret_unicode_escape(pc == 'U', &mut char_indices));
[INFO] [stdout]     |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:617:26
[INFO] [stdout]     |
[INFO] [stdout] 617 |                 result = try!(self.interpret_octal_escape(&mut char_indices)) as char;
[INFO] [stdout]     |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:717:20
[INFO] [stdout]     |
[INFO] [stdout] 717 |                 Ok(try!(self.interpret_int(&value[..], 10, "decimal literal")))
[INFO] [stdout]     |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:722:20
[INFO] [stdout]     |
[INFO] [stdout] 722 |                 Ok(try!(self.interpret_int(&value[1..], 8, "octal literal")))
[INFO] [stdout]     |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:727:20
[INFO] [stdout]     |
[INFO] [stdout] 727 |                 Ok(try!(self.interpret_int(&value[2..], 16, "hex literal")))
[INFO] [stdout]     |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:765:23
[INFO] [stdout]     |
[INFO] [stdout] 765 |             operator: try!(self.parse_unary_operator()),
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:766:31
[INFO] [stdout]     |
[INFO] [stdout] 766 |             operand: Box::new(try!(self.parse_unary_expr())),
[INFO] [stdout]     |                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:776:38
[INFO] [stdout]     |
[INFO] [stdout] 776 |         let mut x = ast::Expr::Unary(try!(self.parse_unary_expr()));
[INFO] [stdout]     |                                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:787:21
[INFO] [stdout]     |
[INFO] [stdout] 787 |             let y = try!(self.parse_potential_binary_expr(precedence + 1));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:831:20
[INFO] [stdout]     |
[INFO] [stdout] 831 |                 Ok(try!(self.interpret_string_lit(raw_val)))
[INFO] [stdout]     |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:973:32
[INFO] [stdout]     |
[INFO] [stdout] 973 |                     let byte = try!(self.interpret_hex_escape(&mut char_indices));
[INFO] [stdout]     |                                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:977:38
[INFO] [stdout]     |
[INFO] [stdout] 977 |                     let value_char = try!(self.interpret_unicode_escape(pc == 'U',
[INFO] [stdout]     |                                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:984:32
[INFO] [stdout]     |
[INFO] [stdout] 984 |                     let byte = try!(self.interpret_octal_escape(&mut char_indices));
[INFO] [stdout]     |                                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/parser/mod.rs:849:45
[INFO] [stdout]     |
[INFO] [stdout] 849 | ...                   chars: &mut Iterator<Item = (usize, char)>)
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 849 |                                 chars: &mut dyn Iterator<Item = (usize, char)>)
[INFO] [stdout]     |                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/parser/mod.rs:882:50
[INFO] [stdout]     |
[INFO] [stdout] 882 |     fn interpret_octal_escape(&self, chars: &mut Iterator<Item = (usize, char)>) -> PResult<u8> {
[INFO] [stdout]     |                                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 882 |     fn interpret_octal_escape(&self, chars: &mut dyn Iterator<Item = (usize, char)>) -> PResult<u8> {
[INFO] [stdout]     |                                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/parser/mod.rs:908:48
[INFO] [stdout]     |
[INFO] [stdout] 908 |     fn interpret_hex_escape(&self, chars: &mut Iterator<Item = (usize, char)>) -> PResult<u8> {
[INFO] [stdout]     |                                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 908 |     fn interpret_hex_escape(&self, chars: &mut dyn Iterator<Item = (usize, char)>) -> PResult<u8> {
[INFO] [stdout]     |                                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `core::str::<impl str>::trim_right_matches`: superseded by `trim_end_matches`
[INFO] [stdout]    --> src/parser/mod.rs:575:39
[INFO] [stdout]     |
[INFO] [stdout] 575 |                 let value_ref = value.trim_right_matches('i');
[INFO] [stdout]     |                                       ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: replace the use of the deprecated method
[INFO] [stdout]     |
[INFO] [stdout] 575 -                 let value_ref = value.trim_right_matches('i');
[INFO] [stdout] 575 +                 let value_ref = value.trim_end_matches('i');
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple methods are never used
[INFO] [stdout]    --> src/parser/mod.rs:88:8
[INFO] [stdout]     |
[INFO] [stdout] 24  | impl<R: Iterator<Item = TokenAndSpan>> Parser<R> {
[INFO] [stdout]     | ------------------------------------------------ methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 88  |     fn next_kind(&mut self) -> TokenKind {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 101 |     fn eat_and_get(&mut self, expected: TokenKind) -> PResult<(Token)> {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 555 |     fn parse_basic_lit(&mut self) -> PResult<ast::BasicLit> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 587 |     fn parse_rune_lit(&mut self) -> PResult<char> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 637 |     fn interpret_float_lit(&mut self, value: &str, token_name: &str) -> PResult<BigRational> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 706 |     fn parse_int_lit(&mut self) -> PResult<BigInt> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 743 |     fn interpret_int(&mut self, lit: &str, base: u32, token_name: &str) -> PResult<BigInt> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 761 |     fn parse_unary_operation(&mut self) -> PResult<ast::UnaryOperation> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/lexer/mod.rs:39:19
[INFO] [stdout]    |
[INFO] [stdout] 39 |     pub fn new(s: &str) -> Lexer {
[INFO] [stdout]    |                   ^^^^     ----- the lifetime gets resolved as `'_`
[INFO] [stdout]    |                   |
[INFO] [stdout]    |                   this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 39 |     pub fn new(s: &str) -> Lexer<'_> {
[INFO] [stdout]    |                                 ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]   --> src/lib.rs:16:1
[INFO] [stdout]    |
[INFO] [stdout] 16 | #[macro_use]
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]   --> src/lib.rs:18:1
[INFO] [stdout]    |
[INFO] [stdout] 18 | #[macro_use]
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused label
[INFO] [stdout]    --> src/lexer/mod.rs:112:9
[INFO] [stdout]     |
[INFO] [stdout] 112 |         'outer: while let Some(c) = self.current_char {
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_labels)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parser/error.rs:43:17
[INFO] [stdout]    |
[INFO] [stdout] 43 |                 try!(write!(f, "expected "));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parser/error.rs:46:21
[INFO] [stdout]    |
[INFO] [stdout] 46 |                     try!(write!(f, "one of "));
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parser/error.rs:50:25
[INFO] [stdout]    |
[INFO] [stdout] 50 |                         try!(write!(f, "\"{}\"{}", tk, sep));
[INFO] [stdout]    |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parser/error.rs:54:21
[INFO] [stdout]    |
[INFO] [stdout] 54 |                     try!(write!(f, "\"{}\" ", expected[0]));
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parser/mod.rs:38:28
[INFO] [stdout]    |
[INFO] [stdout] 38 |         let package_name = try!(self.parse_package_clause());
[INFO] [stdout]    |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parser/mod.rs:39:28
[INFO] [stdout]    |
[INFO] [stdout] 39 |         let import_decls = try!(self.parse_import_decls());
[INFO] [stdout]    |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parser/mod.rs:40:31
[INFO] [stdout]    |
[INFO] [stdout] 40 |         let top_level_decls = try!(self.parse_top_level_decls());
[INFO] [stdout]    |                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/parser/mod.rs:101:63
[INFO] [stdout]     |
[INFO] [stdout] 101 |     fn eat_and_get(&mut self, expected: TokenKind) -> PResult<(Token)> {
[INFO] [stdout]     |                                                               ^     ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 101 -     fn eat_and_get(&mut self, expected: TokenKind) -> PResult<(Token)> {
[INFO] [stdout] 101 +     fn eat_and_get(&mut self, expected: TokenKind) -> PResult<Token> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:112:9
[INFO] [stdout]     |
[INFO] [stdout] 112 |         try!(self.eat(TokenKind::Package));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:115:9
[INFO] [stdout]     |
[INFO] [stdout] 115 |         try!(self.eat(TokenKind::Semicolon));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:114:28
[INFO] [stdout]     |
[INFO] [stdout] 114 |         let package_name = try!(self.parse_ident());
[INFO] [stdout]     |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:127:32
[INFO] [stdout]     |
[INFO] [stdout] 127 |                     decls.push(try!(self.parse_import_decl()));
[INFO] [stdout]     |                                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:144:9
[INFO] [stdout]     |
[INFO] [stdout] 144 |         try!(self.eat(TokenKind::Import));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:169:9
[INFO] [stdout]     |
[INFO] [stdout] 169 |         try!(self.eat(TokenKind::Semicolon));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:161:40
[INFO] [stdout]     |
[INFO] [stdout] 161 | ...                   specs.push(try!(self.parse_import_spec()));
[INFO] [stdout]     |                                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:167:29
[INFO] [stdout]     |
[INFO] [stdout] 167 |             _ => specs.push(try!(self.parse_import_spec())),
[INFO] [stdout]     |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:195:20
[INFO] [stdout]     |
[INFO] [stdout] 195 |         let path = try!(self.parse_string_lit());
[INFO] [stdout]     |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:216:26
[INFO] [stdout]     |
[INFO] [stdout] 216 |                 let fd = try!(self.parse_func_decl());
[INFO] [stdout]     |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:237:9
[INFO] [stdout]     |
[INFO] [stdout] 237 |         try!(self.eat(TokenKind::Func));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:247:9
[INFO] [stdout]     |
[INFO] [stdout] 247 |         try!(self.eat(TokenKind::Semicolon));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:238:20
[INFO] [stdout]     |
[INFO] [stdout] 238 |         let name = try!(self.parse_ident());
[INFO] [stdout]     |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:239:25
[INFO] [stdout]     |
[INFO] [stdout] 239 |         let signature = try!(self.parse_func_signature());
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:243:34
[INFO] [stdout]     |
[INFO] [stdout] 243 |             TokenKind::LBrace => try!(self.parse_block()),
[INFO] [stdout]     |                                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:273:26
[INFO] [stdout]     |
[INFO] [stdout] 273 |         let parameters = try!(self.parse_func_params());
[INFO] [stdout]     |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:277:34
[INFO] [stdout]     |
[INFO] [stdout] 277 |             TokenKind::LParen => try!(self.parse_func_params()),
[INFO] [stdout]     |                                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:282:52
[INFO] [stdout]     |
[INFO] [stdout] 282 |             _ => ast::Parameters::from_single_type(try!(self.parse_type())),
[INFO] [stdout]     |                                                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:303:9
[INFO] [stdout]     |
[INFO] [stdout] 303 |         try!(self.eat(TokenKind::LParen));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:319:9
[INFO] [stdout]     |
[INFO] [stdout] 319 |         try!(self.eat(TokenKind::RParen));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:310:28
[INFO] [stdout]     |
[INFO] [stdout] 310 |                 decls.push(try!(self.parse_parameter_decl()));
[INFO] [stdout]     |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:313:21
[INFO] [stdout]     |
[INFO] [stdout] 313 |                     try!(self.eat(TokenKind::Comma));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:314:32
[INFO] [stdout]     |
[INFO] [stdout] 314 |                     decls.push(try!(self.parse_parameter_decl()));
[INFO] [stdout]     |                                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:338:25
[INFO] [stdout]     |
[INFO] [stdout] 338 |             idents.push(try!(self.parse_ident()));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:341:17
[INFO] [stdout]     |
[INFO] [stdout] 341 |                 try!(self.eat(TokenKind::Comma));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:342:29
[INFO] [stdout]     |
[INFO] [stdout] 342 |                 idents.push(try!(self.parse_ident()));
[INFO] [stdout]     |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:348:13
[INFO] [stdout]     |
[INFO] [stdout] 348 |             try!(self.eat(TokenKind::Ellipsis));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:353:19
[INFO] [stdout]     |
[INFO] [stdout] 353 |         let typ = try!(self.parse_type());
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:380:17
[INFO] [stdout]     |
[INFO] [stdout] 380 |                 try!(self.eat(TokenKind::LParen));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:382:17
[INFO] [stdout]     |
[INFO] [stdout] 382 |                 try!(self.eat(TokenKind::RParen));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:381:27
[INFO] [stdout]     |
[INFO] [stdout] 381 |                 let typ = try!(self.parse_type());
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:387:29
[INFO] [stdout]     |
[INFO] [stdout] 387 |                 let part1 = try!(self.parse_ident());
[INFO] [stdout]     |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:399:25
[INFO] [stdout]     |
[INFO] [stdout] 399 |                         try!(self.eat(TokenKind::Colon));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:400:37
[INFO] [stdout]     |
[INFO] [stdout] 400 |                         let part2 = try!(self.parse_ident());
[INFO] [stdout]     |                                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:426:9
[INFO] [stdout]     |
[INFO] [stdout] 426 |         try!(self.eat(TokenKind::LBrace));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:434:9
[INFO] [stdout]     |
[INFO] [stdout] 434 |         try!(self.eat(TokenKind::RBrace));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:431:13
[INFO] [stdout]     |
[INFO] [stdout] 431 |             try!(self.eat(TokenKind::Semicolon));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:430:29
[INFO] [stdout]     |
[INFO] [stdout] 430 |             statements.push(try!(self.parse_statement()));
[INFO] [stdout]     |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:452:35
[INFO] [stdout]     |
[INFO] [stdout] 452 |             Type | Var | Const => try!(self.parse_decl_stmt()).into(),
[INFO] [stdout]     |                                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:453:19
[INFO] [stdout]     |
[INFO] [stdout] 453 |             Go => try!(self.parse_go_stmt()).into(),
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:454:22
[INFO] [stdout]     |
[INFO] [stdout] 454 |             Defer => try!(self.parse_defer_stmt()).into(),
[INFO] [stdout]     |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:455:23
[INFO] [stdout]     |
[INFO] [stdout] 455 |             Return => try!(self.parse_return_stmt()).into(),
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:456:19
[INFO] [stdout]     |
[INFO] [stdout] 456 |             If => try!(self.parse_if_stmt()).into(),
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:457:23
[INFO] [stdout]     |
[INFO] [stdout] 457 |             Switch => try!(self.parse_switch_stmt()).into(),
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:458:23
[INFO] [stdout]     |
[INFO] [stdout] 458 |             Select => try!(self.parse_select_stmt()).into(),
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:459:20
[INFO] [stdout]     |
[INFO] [stdout] 459 |             For => try!(self.parse_for_stmt()).into(),
[INFO] [stdout]     |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:460:34
[INFO] [stdout]     |
[INFO] [stdout] 460 |             LBrace => ast::Block(try!(self.parse_block())).into(),
[INFO] [stdout]     |                                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:466:40
[INFO] [stdout]     |
[INFO] [stdout] 466 |             t if t.can_start_expr() => try!(self.parse_simple_stmt()).into(),
[INFO] [stdout]     |                                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:474:9
[INFO] [stdout]     |
[INFO] [stdout] 474 |         try!(self.eat(TokenKind::Go));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:475:32
[INFO] [stdout]     |
[INFO] [stdout] 475 |         Ok(ast::GoStmt { call: try!(self.parse_expr()) })
[INFO] [stdout]     |                                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:481:9
[INFO] [stdout]     |
[INFO] [stdout] 481 |         try!(self.eat(TokenKind::Defer));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:482:35
[INFO] [stdout]     |
[INFO] [stdout] 482 |         Ok(ast::DeferStmt { call: try!(self.parse_expr()) })
[INFO] [stdout]     |                                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:487:9
[INFO] [stdout]     |
[INFO] [stdout] 487 |         try!(self.eat(TokenKind::Return));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:488:36
[INFO] [stdout]     |
[INFO] [stdout] 488 |         Ok(ast::ReturnStmt { expr: try!(self.parse_expr()) })
[INFO] [stdout]     |                                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:541:27
[INFO] [stdout]     |
[INFO] [stdout] 541 |                 operator: try!(self.parse_unary_operator()),
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:542:35
[INFO] [stdout]     |
[INFO] [stdout] 542 |                 operand: Box::new(try!(self.parse_unary_expr())),
[INFO] [stdout]     |                                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:562:60
[INFO] [stdout]     |
[INFO] [stdout] 562 |             Decimal | Octal | Hex => Ok(ast::BasicLit::Int(try!(self.parse_int_lit()))),
[INFO] [stdout]     |                                                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:563:51
[INFO] [stdout]     |
[INFO] [stdout] 563 |             Str | StrRaw => Ok(ast::BasicLit::Str(try!(self.parse_string_lit()))),
[INFO] [stdout]     |                                                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:566:41
[INFO] [stdout]     |
[INFO] [stdout] 566 |                 Ok(ast::BasicLit::Float(try!(self.interpret_float_lit(&value[..],
[INFO] [stdout]     |                                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:576:45
[INFO] [stdout]     |
[INFO] [stdout] 576 |                 Ok(ast::BasicLit::Imaginary(try!(self.interpret_float_lit(value_ref,
[INFO] [stdout]     |                                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:579:44
[INFO] [stdout]     |
[INFO] [stdout] 579 |             Rune => Ok(ast::BasicLit::Rune(try!(self.parse_rune_lit()))),
[INFO] [stdout]     |                                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:591:21
[INFO] [stdout]     |
[INFO] [stdout] 591 |         let value = try!(self.eat_and_get(TokenKind::Rune))
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:612:26
[INFO] [stdout]     |
[INFO] [stdout] 612 |                 result = try!(self.interpret_hex_escape(&mut char_indices)) as char;
[INFO] [stdout]     |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:615:26
[INFO] [stdout]     |
[INFO] [stdout] 615 |                 result = try!(self.interpret_unicode_escape(pc == 'U', &mut char_indices));
[INFO] [stdout]     |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:617:26
[INFO] [stdout]     |
[INFO] [stdout] 617 |                 result = try!(self.interpret_octal_escape(&mut char_indices)) as char;
[INFO] [stdout]     |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:717:20
[INFO] [stdout]     |
[INFO] [stdout] 717 |                 Ok(try!(self.interpret_int(&value[..], 10, "decimal literal")))
[INFO] [stdout]     |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:722:20
[INFO] [stdout]     |
[INFO] [stdout] 722 |                 Ok(try!(self.interpret_int(&value[1..], 8, "octal literal")))
[INFO] [stdout]     |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:727:20
[INFO] [stdout]     |
[INFO] [stdout] 727 |                 Ok(try!(self.interpret_int(&value[2..], 16, "hex literal")))
[INFO] [stdout]     |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:765:23
[INFO] [stdout]     |
[INFO] [stdout] 765 |             operator: try!(self.parse_unary_operator()),
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:766:31
[INFO] [stdout]     |
[INFO] [stdout] 766 |             operand: Box::new(try!(self.parse_unary_expr())),
[INFO] [stdout]     |                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:776:38
[INFO] [stdout]     |
[INFO] [stdout] 776 |         let mut x = ast::Expr::Unary(try!(self.parse_unary_expr()));
[INFO] [stdout]     |                                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:787:21
[INFO] [stdout]     |
[INFO] [stdout] 787 |             let y = try!(self.parse_potential_binary_expr(precedence + 1));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:831:20
[INFO] [stdout]     |
[INFO] [stdout] 831 |                 Ok(try!(self.interpret_string_lit(raw_val)))
[INFO] [stdout]     |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:973:32
[INFO] [stdout]     |
[INFO] [stdout] 973 |                     let byte = try!(self.interpret_hex_escape(&mut char_indices));
[INFO] [stdout]     |                                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:977:38
[INFO] [stdout]     |
[INFO] [stdout] 977 |                     let value_char = try!(self.interpret_unicode_escape(pc == 'U',
[INFO] [stdout]     |                                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:984:32
[INFO] [stdout]     |
[INFO] [stdout] 984 |                     let byte = try!(self.interpret_octal_escape(&mut char_indices));
[INFO] [stdout]     |                                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/parser/mod.rs:849:45
[INFO] [stdout]     |
[INFO] [stdout] 849 | ...                   chars: &mut Iterator<Item = (usize, char)>)
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 849 |                                 chars: &mut dyn Iterator<Item = (usize, char)>)
[INFO] [stdout]     |                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/parser/mod.rs:882:50
[INFO] [stdout]     |
[INFO] [stdout] 882 |     fn interpret_octal_escape(&self, chars: &mut Iterator<Item = (usize, char)>) -> PResult<u8> {
[INFO] [stdout]     |                                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 882 |     fn interpret_octal_escape(&self, chars: &mut dyn Iterator<Item = (usize, char)>) -> PResult<u8> {
[INFO] [stdout]     |                                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/parser/mod.rs:908:48
[INFO] [stdout]     |
[INFO] [stdout] 908 |     fn interpret_hex_escape(&self, chars: &mut Iterator<Item = (usize, char)>) -> PResult<u8> {
[INFO] [stdout]     |                                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 908 |     fn interpret_hex_escape(&self, chars: &mut dyn Iterator<Item = (usize, char)>) -> PResult<u8> {
[INFO] [stdout]     |                                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `core::str::<impl str>::trim_right_matches`: superseded by `trim_end_matches`
[INFO] [stdout]    --> src/parser/mod.rs:575:39
[INFO] [stdout]     |
[INFO] [stdout] 575 |                 let value_ref = value.trim_right_matches('i');
[INFO] [stdout]     |                                       ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: replace the use of the deprecated method
[INFO] [stdout]     |
[INFO] [stdout] 575 -                 let value_ref = value.trim_right_matches('i');
[INFO] [stdout] 575 +                 let value_ref = value.trim_end_matches('i');
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `next_kind` and `parse_unary_operation` are never used
[INFO] [stdout]    --> src/parser/mod.rs:88:8
[INFO] [stdout]     |
[INFO] [stdout] 24  | impl<R: Iterator<Item = TokenAndSpan>> Parser<R> {
[INFO] [stdout]     | ------------------------------------------------ methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 88  |     fn next_kind(&mut self) -> TokenKind {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 761 |     fn parse_unary_operation(&mut self) -> PResult<ast::UnaryOperation> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/lexer/mod.rs:39:19
[INFO] [stdout]    |
[INFO] [stdout] 39 |     pub fn new(s: &str) -> Lexer {
[INFO] [stdout]    |                   ^^^^     ----- the lifetime gets resolved as `'_`
[INFO] [stdout]    |                   |
[INFO] [stdout]    |                   this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 39 |     pub fn new(s: &str) -> Lexer<'_> {
[INFO] [stdout]    |                                 ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/parser/test.rs:174:16
[INFO] [stdout]     |
[INFO] [stdout] 174 |         panic!(format!("expected float basic lit, found {:?}", got));
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: the `panic!()` macro supports formatting, so there's no need for the `format!()` macro here
[INFO] [stdout]     = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 174 -         panic!(format!("expected float basic lit, found {:?}", got));
[INFO] [stdout] 174 +         panic!("expected float basic lit, found {:?}", got);
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/parser/test.rs:190:16
[INFO] [stdout]     |
[INFO] [stdout] 190 |         panic!(format!("expected imaginary basic lit, found {:?}", got));
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: the `panic!()` macro supports formatting, so there's no need for the `format!()` macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 190 -         panic!(format!("expected imaginary basic lit, found {:?}", got));
[INFO] [stdout] 190 +         panic!("expected imaginary basic lit, found {:?}", got);
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.85s
[INFO] running `Command { std: "docker" "inspect" "a578e4fc3625827863e62350bbc741aacb8f9d5a36e5a78f9e9c3b7ac654a548", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a578e4fc3625827863e62350bbc741aacb8f9d5a36e5a78f9e9c3b7ac654a548", kill_on_drop: false }`
[INFO] [stdout] a578e4fc3625827863e62350bbc741aacb8f9d5a36e5a78f9e9c3b7ac654a548
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] e4fdd64b4ac18cf2c64289bc14f845cfa681fef51b6d85aedffdd1c994b33962
[INFO] running `Command { std: "docker" "start" "-a" "e4fdd64b4ac18cf2c64289bc14f845cfa681fef51b6d85aedffdd1c994b33962", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]   --> src/lib.rs:16:1
[INFO] [stderr]    |
[INFO] [stderr] 16 | #[macro_use]
[INFO] [stderr]    | ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]   --> src/lib.rs:18:1
[INFO] [stderr]    |
[INFO] [stderr] 18 | #[macro_use]
[INFO] [stderr]    | ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused label
[INFO] [stderr]    --> src/lexer/mod.rs:112:9
[INFO] [stderr]     |
[INFO] [stderr] 112 |         'outer: while let Some(c) = self.current_char {
[INFO] [stderr]     |         ^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_labels)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/parser/error.rs:43:17
[INFO] [stderr]    |
[INFO] [stderr] 43 |                 try!(write!(f, "expected "));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/parser/error.rs:46:21
[INFO] [stderr]    |
[INFO] [stderr] 46 |                     try!(write!(f, "one of "));
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/parser/error.rs:50:25
[INFO] [stderr]    |
[INFO] [stderr] 50 |                         try!(write!(f, "\"{}\"{}", tk, sep));
[INFO] [stderr]    |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/parser/error.rs:54:21
[INFO] [stderr]    |
[INFO] [stderr] 54 |                     try!(write!(f, "\"{}\" ", expected[0]));
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/parser/mod.rs:38:28
[INFO] [stderr]    |
[INFO] [stderr] 38 |         let package_name = try!(self.parse_package_clause());
[INFO] [stderr]    |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/parser/mod.rs:39:28
[INFO] [stderr]    |
[INFO] [stderr] 39 |         let import_decls = try!(self.parse_import_decls());
[INFO] [stderr]    |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/parser/mod.rs:40:31
[INFO] [stderr]    |
[INFO] [stderr] 40 |         let top_level_decls = try!(self.parse_top_level_decls());
[INFO] [stderr]    |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/parser/mod.rs:101:63
[INFO] [stderr]     |
[INFO] [stderr] 101 |     fn eat_and_get(&mut self, expected: TokenKind) -> PResult<(Token)> {
[INFO] [stderr]     |                                                               ^     ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 101 -     fn eat_and_get(&mut self, expected: TokenKind) -> PResult<(Token)> {
[INFO] [stderr] 101 +     fn eat_and_get(&mut self, expected: TokenKind) -> PResult<Token> {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:112:9
[INFO] [stderr]     |
[INFO] [stderr] 112 |         try!(self.eat(TokenKind::Package));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:115:9
[INFO] [stderr]     |
[INFO] [stderr] 115 |         try!(self.eat(TokenKind::Semicolon));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:114:28
[INFO] [stderr]     |
[INFO] [stderr] 114 |         let package_name = try!(self.parse_ident());
[INFO] [stderr]     |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:127:32
[INFO] [stderr]     |
[INFO] [stderr] 127 |                     decls.push(try!(self.parse_import_decl()));
[INFO] [stderr]     |                                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:144:9
[INFO] [stderr]     |
[INFO] [stderr] 144 |         try!(self.eat(TokenKind::Import));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:169:9
[INFO] [stderr]     |
[INFO] [stderr] 169 |         try!(self.eat(TokenKind::Semicolon));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:161:40
[INFO] [stderr]     |
[INFO] [stderr] 161 | ...                   specs.push(try!(self.parse_import_spec()));
[INFO] [stderr]     |                                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:167:29
[INFO] [stderr]     |
[INFO] [stderr] 167 |             _ => specs.push(try!(self.parse_import_spec())),
[INFO] [stderr]     |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:195:20
[INFO] [stderr]     |
[INFO] [stderr] 195 |         let path = try!(self.parse_string_lit());
[INFO] [stderr]     |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:216:26
[INFO] [stderr]     |
[INFO] [stderr] 216 |                 let fd = try!(self.parse_func_decl());
[INFO] [stderr]     |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:237:9
[INFO] [stderr]     |
[INFO] [stderr] 237 |         try!(self.eat(TokenKind::Func));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:247:9
[INFO] [stderr]     |
[INFO] [stderr] 247 |         try!(self.eat(TokenKind::Semicolon));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:238:20
[INFO] [stderr]     |
[INFO] [stderr] 238 |         let name = try!(self.parse_ident());
[INFO] [stderr]     |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:239:25
[INFO] [stderr]     |
[INFO] [stderr] 239 |         let signature = try!(self.parse_func_signature());
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:243:34
[INFO] [stderr]     |
[INFO] [stderr] 243 |             TokenKind::LBrace => try!(self.parse_block()),
[INFO] [stderr]     |                                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:273:26
[INFO] [stderr]     |
[INFO] [stderr] 273 |         let parameters = try!(self.parse_func_params());
[INFO] [stderr]     |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:277:34
[INFO] [stderr]     |
[INFO] [stderr] 277 |             TokenKind::LParen => try!(self.parse_func_params()),
[INFO] [stderr]     |                                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:282:52
[INFO] [stderr]     |
[INFO] [stderr] 282 |             _ => ast::Parameters::from_single_type(try!(self.parse_type())),
[INFO] [stderr]     |                                                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:303:9
[INFO] [stderr]     |
[INFO] [stderr] 303 |         try!(self.eat(TokenKind::LParen));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:319:9
[INFO] [stderr]     |
[INFO] [stderr] 319 |         try!(self.eat(TokenKind::RParen));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:310:28
[INFO] [stderr]     |
[INFO] [stderr] 310 |                 decls.push(try!(self.parse_parameter_decl()));
[INFO] [stderr]     |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:313:21
[INFO] [stderr]     |
[INFO] [stderr] 313 |                     try!(self.eat(TokenKind::Comma));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:314:32
[INFO] [stderr]     |
[INFO] [stderr] 314 |                     decls.push(try!(self.parse_parameter_decl()));
[INFO] [stderr]     |                                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:338:25
[INFO] [stderr]     |
[INFO] [stderr] 338 |             idents.push(try!(self.parse_ident()));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:341:17
[INFO] [stderr]     |
[INFO] [stderr] 341 |                 try!(self.eat(TokenKind::Comma));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:342:29
[INFO] [stderr]     |
[INFO] [stderr] 342 |                 idents.push(try!(self.parse_ident()));
[INFO] [stderr]     |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:348:13
[INFO] [stderr]     |
[INFO] [stderr] 348 |             try!(self.eat(TokenKind::Ellipsis));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:353:19
[INFO] [stderr]     |
[INFO] [stderr] 353 |         let typ = try!(self.parse_type());
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:380:17
[INFO] [stderr]     |
[INFO] [stderr] 380 |                 try!(self.eat(TokenKind::LParen));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:382:17
[INFO] [stderr]     |
[INFO] [stderr] 382 |                 try!(self.eat(TokenKind::RParen));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:381:27
[INFO] [stderr]     |
[INFO] [stderr] 381 |                 let typ = try!(self.parse_type());
[INFO] [stderr]     |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:387:29
[INFO] [stderr]     |
[INFO] [stderr] 387 |                 let part1 = try!(self.parse_ident());
[INFO] [stderr]     |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:399:25
[INFO] [stderr]     |
[INFO] [stderr] 399 |                         try!(self.eat(TokenKind::Colon));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:400:37
[INFO] [stderr]     |
[INFO] [stderr] 400 |                         let part2 = try!(self.parse_ident());
[INFO] [stderr]     |                                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:426:9
[INFO] [stderr]     |
[INFO] [stderr] 426 |         try!(self.eat(TokenKind::LBrace));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:434:9
[INFO] [stderr]     |
[INFO] [stderr] 434 |         try!(self.eat(TokenKind::RBrace));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:431:13
[INFO] [stderr]     |
[INFO] [stderr] 431 |             try!(self.eat(TokenKind::Semicolon));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:430:29
[INFO] [stderr]     |
[INFO] [stderr] 430 |             statements.push(try!(self.parse_statement()));
[INFO] [stderr]     |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:452:35
[INFO] [stderr]     |
[INFO] [stderr] 452 |             Type | Var | Const => try!(self.parse_decl_stmt()).into(),
[INFO] [stderr]     |                                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:453:19
[INFO] [stderr]     |
[INFO] [stderr] 453 |             Go => try!(self.parse_go_stmt()).into(),
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:454:22
[INFO] [stderr]     |
[INFO] [stderr] 454 |             Defer => try!(self.parse_defer_stmt()).into(),
[INFO] [stderr]     |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:455:23
[INFO] [stderr]     |
[INFO] [stderr] 455 |             Return => try!(self.parse_return_stmt()).into(),
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:456:19
[INFO] [stderr]     |
[INFO] [stderr] 456 |             If => try!(self.parse_if_stmt()).into(),
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:457:23
[INFO] [stderr]     |
[INFO] [stderr] 457 |             Switch => try!(self.parse_switch_stmt()).into(),
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:458:23
[INFO] [stderr]     |
[INFO] [stderr] 458 |             Select => try!(self.parse_select_stmt()).into(),
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:459:20
[INFO] [stderr]     |
[INFO] [stderr] 459 |             For => try!(self.parse_for_stmt()).into(),
[INFO] [stderr]     |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:460:34
[INFO] [stderr]     |
[INFO] [stderr] 460 |             LBrace => ast::Block(try!(self.parse_block())).into(),
[INFO] [stderr]     |                                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:466:40
[INFO] [stderr]     |
[INFO] [stderr] 466 |             t if t.can_start_expr() => try!(self.parse_simple_stmt()).into(),
[INFO] [stderr]     |                                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:474:9
[INFO] [stderr]     |
[INFO] [stderr] 474 |         try!(self.eat(TokenKind::Go));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:475:32
[INFO] [stderr]     |
[INFO] [stderr] 475 |         Ok(ast::GoStmt { call: try!(self.parse_expr()) })
[INFO] [stderr]     |                                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:481:9
[INFO] [stderr]     |
[INFO] [stderr] 481 |         try!(self.eat(TokenKind::Defer));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:482:35
[INFO] [stderr]     |
[INFO] [stderr] 482 |         Ok(ast::DeferStmt { call: try!(self.parse_expr()) })
[INFO] [stderr]     |                                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:487:9
[INFO] [stderr]     |
[INFO] [stderr] 487 |         try!(self.eat(TokenKind::Return));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:488:36
[INFO] [stderr]     |
[INFO] [stderr] 488 |         Ok(ast::ReturnStmt { expr: try!(self.parse_expr()) })
[INFO] [stderr]     |                                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:541:27
[INFO] [stderr]     |
[INFO] [stderr] 541 |                 operator: try!(self.parse_unary_operator()),
[INFO] [stderr]     |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:542:35
[INFO] [stderr]     |
[INFO] [stderr] 542 |                 operand: Box::new(try!(self.parse_unary_expr())),
[INFO] [stderr]     |                                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:562:60
[INFO] [stderr]     |
[INFO] [stderr] 562 |             Decimal | Octal | Hex => Ok(ast::BasicLit::Int(try!(self.parse_int_lit()))),
[INFO] [stderr]     |                                                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:563:51
[INFO] [stderr]     |
[INFO] [stderr] 563 |             Str | StrRaw => Ok(ast::BasicLit::Str(try!(self.parse_string_lit()))),
[INFO] [stderr]     |                                                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:566:41
[INFO] [stderr]     |
[INFO] [stderr] 566 |                 Ok(ast::BasicLit::Float(try!(self.interpret_float_lit(&value[..],
[INFO] [stderr]     |                                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:576:45
[INFO] [stderr]     |
[INFO] [stderr] 576 |                 Ok(ast::BasicLit::Imaginary(try!(self.interpret_float_lit(value_ref,
[INFO] [stderr]     |                                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:579:44
[INFO] [stderr]     |
[INFO] [stderr] 579 |             Rune => Ok(ast::BasicLit::Rune(try!(self.parse_rune_lit()))),
[INFO] [stderr]     |                                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:591:21
[INFO] [stderr]     |
[INFO] [stderr] 591 |         let value = try!(self.eat_and_get(TokenKind::Rune))
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:612:26
[INFO] [stderr]     |
[INFO] [stderr] 612 |                 result = try!(self.interpret_hex_escape(&mut char_indices)) as char;
[INFO] [stderr]     |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:615:26
[INFO] [stderr]     |
[INFO] [stderr] 615 |                 result = try!(self.interpret_unicode_escape(pc == 'U', &mut char_indices));
[INFO] [stderr]     |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:617:26
[INFO] [stderr]     |
[INFO] [stderr] 617 |                 result = try!(self.interpret_octal_escape(&mut char_indices)) as char;
[INFO] [stderr]     |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:717:20
[INFO] [stderr]     |
[INFO] [stderr] 717 |                 Ok(try!(self.interpret_int(&value[..], 10, "decimal literal")))
[INFO] [stderr]     |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:722:20
[INFO] [stderr]     |
[INFO] [stderr] 722 |                 Ok(try!(self.interpret_int(&value[1..], 8, "octal literal")))
[INFO] [stderr]     |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:727:20
[INFO] [stderr]     |
[INFO] [stderr] 727 |                 Ok(try!(self.interpret_int(&value[2..], 16, "hex literal")))
[INFO] [stderr]     |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:765:23
[INFO] [stderr]     |
[INFO] [stderr] 765 |             operator: try!(self.parse_unary_operator()),
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:766:31
[INFO] [stderr]     |
[INFO] [stderr] 766 |             operand: Box::new(try!(self.parse_unary_expr())),
[INFO] [stderr]     |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:776:38
[INFO] [stderr]     |
[INFO] [stderr] 776 |         let mut x = ast::Expr::Unary(try!(self.parse_unary_expr()));
[INFO] [stderr]     |                                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:787:21
[INFO] [stderr]     |
[INFO] [stderr] 787 |             let y = try!(self.parse_potential_binary_expr(precedence + 1));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:831:20
[INFO] [stderr]     |
[INFO] [stderr] 831 |                 Ok(try!(self.interpret_string_lit(raw_val)))
[INFO] [stderr]     |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:973:32
[INFO] [stderr]     |
[INFO] [stderr] 973 |                     let byte = try!(self.interpret_hex_escape(&mut char_indices));
[INFO] [stderr]     |                                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:977:38
[INFO] [stderr]     |
[INFO] [stderr] 977 |                     let value_char = try!(self.interpret_unicode_escape(pc == 'U',
[INFO] [stderr]     |                                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:984:32
[INFO] [stderr]     |
[INFO] [stderr] 984 |                     let byte = try!(self.interpret_octal_escape(&mut char_indices));
[INFO] [stderr]     |                                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/parser/mod.rs:849:45
[INFO] [stderr]     |
[INFO] [stderr] 849 | ...                   chars: &mut Iterator<Item = (usize, char)>)
[INFO] [stderr]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 849 |                                 chars: &mut dyn Iterator<Item = (usize, char)>)
[INFO] [stderr]     |                                             +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/parser/mod.rs:882:50
[INFO] [stderr]     |
[INFO] [stderr] 882 |     fn interpret_octal_escape(&self, chars: &mut Iterator<Item = (usize, char)>) -> PResult<u8> {
[INFO] [stderr]     |                                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 882 |     fn interpret_octal_escape(&self, chars: &mut dyn Iterator<Item = (usize, char)>) -> PResult<u8> {
[INFO] [stderr]     |                                                  +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/parser/mod.rs:908:48
[INFO] [stderr]     |
[INFO] [stderr] 908 |     fn interpret_hex_escape(&self, chars: &mut Iterator<Item = (usize, char)>) -> PResult<u8> {
[INFO] [stderr]     |                                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 908 |     fn interpret_hex_escape(&self, chars: &mut dyn Iterator<Item = (usize, char)>) -> PResult<u8> {
[INFO] [stderr]     |                                                +++
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated method `core::str::<impl str>::trim_right_matches`: superseded by `trim_end_matches`
[INFO] [stderr]    --> src/parser/mod.rs:575:39
[INFO] [stderr]     |
[INFO] [stderr] 575 |                 let value_ref = value.trim_right_matches('i');
[INFO] [stderr]     |                                       ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] help: replace the use of the deprecated method
[INFO] [stderr]     |
[INFO] [stderr] 575 -                 let value_ref = value.trim_right_matches('i');
[INFO] [stderr] 575 +                 let value_ref = value.trim_end_matches('i');
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: multiple methods are never used
[INFO] [stderr]    --> src/parser/mod.rs:88:8
[INFO] [stderr]     |
[INFO] [stderr] 24  | impl<R: Iterator<Item = TokenAndSpan>> Parser<R> {
[INFO] [stderr]     | ------------------------------------------------ methods in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 88  |     fn next_kind(&mut self) -> TokenKind {
[INFO] [stderr]     |        ^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 101 |     fn eat_and_get(&mut self, expected: TokenKind) -> PResult<(Token)> {
[INFO] [stderr]     |        ^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 555 |     fn parse_basic_lit(&mut self) -> PResult<ast::BasicLit> {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 587 |     fn parse_rune_lit(&mut self) -> PResult<char> {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 637 |     fn interpret_float_lit(&mut self, value: &str, token_name: &str) -> PResult<BigRational> {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 706 |     fn parse_int_lit(&mut self) -> PResult<BigInt> {
[INFO] [stderr]     |        ^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 743 |     fn interpret_int(&mut self, lit: &str, base: u32, token_name: &str) -> PResult<BigInt> {
[INFO] [stderr]     |        ^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 761 |     fn parse_unary_operation(&mut self) -> PResult<ast::UnaryOperation> {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stderr]   --> src/lexer/mod.rs:39:19
[INFO] [stderr]    |
[INFO] [stderr] 39 |     pub fn new(s: &str) -> Lexer {
[INFO] [stderr]    |                   ^^^^     ----- the lifetime gets resolved as `'_`
[INFO] [stderr]    |                   |
[INFO] [stderr]    |                   this lifetime flows to the output
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stderr]    |
[INFO] [stderr] 39 |     pub fn new(s: &str) -> Lexer<'_> {
[INFO] [stderr]    |                                 ++++
[INFO] [stderr] 
[INFO] [stderr] warning: `rgo` (lib) generated 93 warnings (run `cargo fix --lib -p rgo` to apply 6 suggestions)
[INFO] [stderr] warning: methods `next_kind` and `parse_unary_operation` are never used
[INFO] [stderr]    --> src/parser/mod.rs:88:8
[INFO] [stderr]     |
[INFO] [stderr] 24  | impl<R: Iterator<Item = TokenAndSpan>> Parser<R> {
[INFO] [stderr]     | ------------------------------------------------ methods in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 88  |     fn next_kind(&mut self) -> TokenKind {
[INFO] [stderr]     |        ^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 761 |     fn parse_unary_operation(&mut self) -> PResult<ast::UnaryOperation> {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]    --> src/parser/test.rs:174:16
[INFO] [stderr]     |
[INFO] [stderr] 174 |         panic!(format!("expected float basic lit, found {:?}", got));
[INFO] [stderr]     |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr]     = note: the `panic!()` macro supports formatting, so there's no need for the `format!()` macro here
[INFO] [stderr]     = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stderr] help: remove the `format!(..)` macro call
[INFO] [stderr]     |
[INFO] [stderr] 174 -         panic!(format!("expected float basic lit, found {:?}", got));
[INFO] [stderr] 174 +         panic!("expected float basic lit, found {:?}", got);
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]    --> src/parser/test.rs:190:16
[INFO] [stderr]     |
[INFO] [stderr] 190 |         panic!(format!("expected imaginary basic lit, found {:?}", got));
[INFO] [stderr]     |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr]     = note: the `panic!()` macro supports formatting, so there's no need for the `format!()` macro here
[INFO] [stderr] help: remove the `format!(..)` macro call
[INFO] [stderr]     |
[INFO] [stderr] 190 -         panic!(format!("expected imaginary basic lit, found {:?}", got));
[INFO] [stderr] 190 +         panic!("expected imaginary basic lit, found {:?}", got);
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: `rgo` (lib test) generated 95 warnings (92 duplicates) (run `cargo fix --lib -p rgo --tests` to apply 2 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/rgo-2d2a0079750dd061)
[INFO] [stdout] 
[INFO] [stdout] running 26 tests
[INFO] [stdout] test lexer::test::tokenize_comments ... ok
[INFO] [stdout] test lexer::test::test_text_literals ... ok
[INFO] [stdout] test lexer::test::tokenize_ident ... ok
[INFO] [stdout] test lexer::test::tokenize_mixed_whitespace ... ok
[INFO] [stdout] test lexer::test::test_numerical_tokens ... ok
[INFO] [stdout] test lexer::test::tokenize_plain_interpreted_str ... ok
[INFO] [stdout] test lexer::test::tokenize_package_declaration ... ok
[INFO] [stdout] test lexer::test::tokenize_keywords ... ok
[INFO] [stdout] test lexer::test::tokenize_simple_assignment_with_inline_comment ... ok
[INFO] [stdout] test lexer::test::tokenize_simple_assignment ... ok
[INFO] [stdout] test parser::test::test_interpret_ints ... ok
[INFO] [stdout] test lexer::test::tokenize_simple_import ... ok
[INFO] [stdout] test parser::test::test_interpret_imaginaries ... ok
[INFO] [stdout] test lexer::test::tokenize_hello_with_comments ... ok
[INFO] [stdout] test lexer::test::tokenize_simple ... ok
[INFO] [stdout] test lexer::test::tokenize_hello ... ok
[INFO] [stdout] test parser::test::test_interpret_runes ... ok
[INFO] [stdout] test parser::test::test_interpret_strings ... ok
[INFO] [stdout] test parser::test::test_interpret_floats ... ok
[INFO] [stdout] test parser::test::test_interpret_rune_invalid_codepoint - should panic ... ok
[INFO] [stdout] test parser::test::test_interpret_rune_surrogate_half - should panic ... ok
[INFO] [stdout] test parser::test::test_interpret_rune_too_few_octal_digits - should panic ... ok
[INFO] [stdout] test parser::test::test_interpret_rune_too_many_characters - should panic ... ok
[INFO] [stdout] test parser::test::test_interpret_rune_too_few_hex_digits - should panic ... ok
[INFO] [stdout] test parser::test::test_interpret_string_invalid_codepoint - should panic ... ok
[INFO] [stdout] test parser::test::test_interpret_string_illegal_surrogate_half - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 26 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.11s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/rgo-59ae1b7984bfdd11)
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running tests/runner.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/runner-e6edd1279c43fe4c)
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stderr] thread 'main' panicked at src/parser/mod.rs:520:9:
[INFO] [stderr] not implemented
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0: __rustc::rust_begin_unwind
[INFO] [stderr]              at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/panicking.rs:697:5
[INFO] [stderr]    1: core::panicking::panic_fmt
[INFO] [stderr]              at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/core/src/panicking.rs:75:14
[INFO] [stderr]    2: core::panicking::panic
[INFO] [stderr]              at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/core/src/panicking.rs:145:5
[INFO] [stderr]    3: rgo::parser::Parser<R>::parse_simple_stmt
[INFO] [stderr]              at ./src/parser/mod.rs:520:9
[INFO] [stderr]    4: rgo::parser::Parser<R>::parse_statement
[INFO] [stderr]              at ./src/parser/mod.rs:466:50
[INFO] [stderr]    5: rgo::parser::Parser<R>::parse_block
[INFO] [stderr]              at ./src/parser/mod.rs:430:39
[INFO] [stderr]    6: rgo::parser::Parser<R>::parse_func_decl
[INFO] [stderr]              at ./src/parser/mod.rs:243:44
[INFO] [stderr]    7: rgo::parser::Parser<R>::parse_top_level_decls
[INFO] [stderr]              at ./src/parser/mod.rs:216:36
[INFO] [stderr]    8: rgo::parser::Parser<R>::parse
[INFO] [stderr]              at ./src/parser/mod.rs:40:41
[INFO] [stderr]    9: runner::parsing_does_not_panic::{{closure}}
[INFO] [stderr]              at ./tests/runner.rs:47:60
[INFO] [stderr]   10: runner::for_all_in
[INFO] [stderr]              at ./tests/runner.rs:25:9
[INFO] [stderr]   11: runner::parsing_does_not_panic
[INFO] [stderr]              at ./tests/runner.rs:45:5
[INFO] [stderr]   12: runner::main
[INFO] [stderr]              at ./tests/runner.rs:35:5
[INFO] [stderr]   13: core::ops::function::FnOnce::call_once
[INFO] [stderr]              at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/core/src/ops/function.rs:250:5
[INFO] [stderr] note: Some details are omitted, run with `RUST_BACKTRACE=full` for a verbose backtrace.
[INFO] [stderr] error: test failed, to rerun pass `--test runner`
[INFO] running `Command { std: "docker" "inspect" "e4fdd64b4ac18cf2c64289bc14f845cfa681fef51b6d85aedffdd1c994b33962", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4fdd64b4ac18cf2c64289bc14f845cfa681fef51b6d85aedffdd1c994b33962", kill_on_drop: false }`
[INFO] [stdout] e4fdd64b4ac18cf2c64289bc14f845cfa681fef51b6d85aedffdd1c994b33962